HMS81C2012A Datasheet, PDF (22/107 Pages) List of Unclassifed Manufacturers – CMOS Single-Chip 8-Bit Microcontroller with A/D Converter & VFD Driver

HMS81C2012A/2020A
7.6 AC Characteristics
(T_A=-40~ 85°C, V_DD=5V±10%, V_SS=0V)
Parameter
Operating Frequency
External Clock Pulse Width
External Clock Transition Time
Oscillation Stabilizing Time
External Input Pulse Width
External Input Pulse Transi-
tion Time
RESET Input Width
Symbol
f_CP
t_CPW
t_RCP,t_FCP
t_ST
t_EPW
t_REP,t_FEP
t_RST
Pins
XIN
XIN
XIN
XIN, XOUT
INT0, INT1, EC0
INT0, INT1, EC0
RESET
Specifications
Min.
Typ.
Max.
1
-
8
80
-
-
-
-
20
-
-
20
2
-
-
-
-
20
8
-
-
Unit
MHz
nS
nS
mS
t_SYS
nS
t_SYS
XI
RESETB
INT0, INT1
EC0
1/f_CP
t_SYS
t_CPW
t_CPW
t_RCP
t_FCP
0.5V
V_DD-0.5V
t_RST
0.2V_DD
t_EPW
t_EPW
t_REP
t_FEP
0.2V_DD
0.8V_DD
Figure 7-1 Timing Chart
18
SEP. 2004 Ver 2.00